268261755

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{4211}}^1$

素因数の和:4387

約数の個数: 32

約数和(自身を含む): 446404608

約数和(自身を除く): 178142853

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 465, 685, 2055, 4211, 4247, 12633, 12741, 21055, 21235, 63165, 63705, 130541, 391623, 576907, 652705, 1730721, 1958115, 2884535, 8653605, 17884117, 53652351, 89420585, 268261755]

約数ペア:

[(1, 268261755), (3, 89420585), (5, 53652351), (15, 17884117), (31, 8653605), (93, 2884535), (137, 1958115), (155, 1730721), (411, 652705), (465, 576907), (685, 391623), (2055, 130541), (4211, 63705), (4247, 63165), (12633, 21235), (12741, 21055)]